Try another version of this question Add: `[(-4,-6,-6),(-1,1,-7),(8,-3,-3)] + [(-4,-8,-5),(4,-6,-6),(2,-1,0)]` Get help: VideoBox 1: Enter each element of the matrix as number (like 5, -3, 2.2) `[(-8,-14,-11),(3,-5,-13),(10,-4,-3)]`
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Get help: Video
Box 1: Enter each element of the matrix as number (like 5, -3, 2.2)